MIUIX Holdings — MFS Municipal Intermediate Fund
Data updated: 2026-08-25
MIUIX holds 696 securities. The top 10 make up 7.5% of net assets, led by MFS Institutional Money Market Portfolio, Class A (3.38%) and Central Texas Regional Mobility Authority, Series 2020 A (0.52%). Municipal Bonds (96.2%) and Funds & ETFs (3.4%) are the largest sectors, and 98.9% of the portfolio is in United States. Debt holdings: 693 positions, 94.6% of assets.
Holdings cover 99.30% of net asset value (98.08% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.
MIUIX Portfolio Holdings
696 holdings of MFS Municipal Intermediate Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 696.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| MFS Institutional Money Market Portfolio, Class A | — | Funds & ETFs | 3.38% | $14.71M |
| Central Texas Regional Mobility Authority, Series 2020 A | — | Municipal Bonds | 0.52% | $2.27M |
| Black Belt Energy Gas District, Series 2026F | — | Municipal Bonds | 0.48% | $2.10M |
| Black Belt Energy Gas District, Series 2026 A | — | Municipal Bonds | 0.47% | $2.04M |
| Public Finance Authority, Series 2026 A-1 | — | Municipal Bonds | 0.46% | $2.00M |
| Black Belt Energy Gas District, Series 2026 I | — | Municipal Bonds | 0.45% | $1.97M |
| Massachusetts Development Finance Agency, Series 2026H | — | Municipal Bonds | 0.45% | $1.95M |
| Massachusetts Development Finance Agency, Series 2026Q | — | Municipal Bonds | 0.42% | $1.82M |
| Vermont Student Assistance Corp. | — | Municipal Bonds | 0.42% | $1.81M |
| California Community Choice Financing Authority, Series 2024 H | — | Municipal Bonds | 0.41% | $1.81M |
| Park Creek Metropolitan District, Series 2025 | — | Municipal Bonds | 0.41% | $1.80M |
| Virginia Small Business Financing Authority, Series 2026A | — | Municipal Bonds | 0.41% | $1.77M |
| Harris County Cultural Education Facilities Finance Corp., Series 2026A | — | Municipal Bonds | 0.39% | $1.71M |
| North Carolina Medical Care Commission, Series 2026 A | — | Municipal Bonds | 0.39% | $1.71M |
| California Health Facilities Financing Authority, Series 2025 C3 | — | Municipal Bonds | 0.39% | $1.70M |
| Illinois Finance Authority, Series 2025 A3 | — | Municipal Bonds | 0.39% | $1.68M |
| Collier County Industrial Development Authority, Series 2026B | — | Municipal Bonds | 0.38% | $1.67M |
| Black Belt Energy Gas District, Series 2025 F | — | Municipal Bonds | 0.38% | $1.66M |
| Energy Southeast A Cooperative District, Series 2025B | — | Municipal Bonds | 0.38% | $1.65M |
| City of Shreveport, Series 2025 | — | Municipal Bonds | 0.38% | $1.65M |
| Tarrant County Cultural Education Facilities Finance Corp., Series 2026E | — | Municipal Bonds | 0.37% | $1.63M |
| Connecticut State Higher Education Supplement Loan Authority | — | Municipal Bonds | 0.37% | $1.63M |
| Public Finance Authority, Series 2026 | — | Municipal Bonds | 0.37% | $1.62M |
| Connecticut State Health & Educational Facilities Authority, Series 2026A | — | Municipal Bonds | 0.37% | $1.61M |
| Lancaster Municipal Authority, Series 2025A | — | Municipal Bonds | 0.37% | $1.61M |
| Central Valley Energy Authority, Series 2026 | — | Municipal Bonds | 0.37% | $1.61M |
| Allegheny County Higher Education Building Authority, Series 2026 | — | Municipal Bonds | 0.37% | $1.60M |
| Industrial Development Authority of the City of Phoenix Arizona (The), Series 2013 | — | Municipal Bonds | 0.37% | $1.60M |
| Bristol Township School District, Series 2026 | — | Municipal Bonds | 0.37% | $1.60M |
| Texas Municipal Gas Acquisition & Supply Corp. VI, Series 2025 | — | Municipal Bonds | 0.36% | $1.59M |
| North Carolina Medical Care Commission, Series 2026 A | — | Municipal Bonds | 0.36% | $1.57M |
| FW Skyline Public Facility Corp., Series 2026 | — | Municipal Bonds | 0.36% | $1.57M |
| Pecos Barstow Toyah Independent School District, Series 2023 | — | Municipal Bonds | 0.36% | $1.55M |
| Klickitat County Public Utility District No. 1, Series 2025 | — | Municipal Bonds | 0.35% | $1.52M |
| Jacksonville Housing Authority, Series 2024 | — | Municipal Bonds | 0.34% | $1.48M |
| Alaska Railroad Corp., Series 2025 | — | Municipal Bonds | 0.34% | $1.47M |
| Memorial City Redevelopment Authority, Series 2025 | — | Municipal Bonds | 0.34% | $1.46M |
| Arizona Industrial Development Authority, Series 2025A | — | Municipal Bonds | 0.34% | $1.46M |
| Kentucky Public Energy Authority, Series 2025B | — | Municipal Bonds | 0.33% | $1.46M |
| Allegheny County Airport Authority, Series 2025A | — | Municipal Bonds | 0.32% | $1.42M |
| Jacksonville Public Educational Building Authority, Series 2024 A | — | Municipal Bonds | 0.32% | $1.39M |
| STC Metropolitan District No. 2, Series 2025A-1 | — | Municipal Bonds | 0.32% | $1.39M |
| Burbank-Glendale-Pasadena Airport Authority Brick Campaign, Series 2026 B | — | Municipal Bonds | 0.32% | $1.38M |
| St Clair County Community Unit School District No. 187 Cahokia, Series 2026 A | — | Municipal Bonds | 0.32% | $1.38M |
| Chester County Health and Education Facilities Authority, Series 2025 | — | Municipal Bonds | 0.31% | $1.36M |
| Southern Ute Indian Tribe of the Southern Ute Reservation of Colorado, Series 2025 A | — | Municipal Bonds | 0.31% | $1.36M |
| Arizona Industrial Development Authority, Series 2019A | — | Municipal Bonds | 0.31% | $1.34M |
| City of Grey Forest, Series 2026 | — | Municipal Bonds | 0.30% | $1.33M |
| Texas Department of Housing & Community Affairs, Series 2025A | — | Municipal Bonds | 0.30% | $1.32M |
| Indiana Finance Authority, Series 2026 | — | Municipal Bonds | 0.30% | $1.32M |
| Florida Local Government Finance Commission, Series 2025 B-2 | — | Municipal Bonds | 0.30% | $1.31M |
| Southeast Energy Authority A Cooperative District, Series 2024C | — | Municipal Bonds | 0.30% | $1.31M |
| District of Columbia Housing Finance Agency, Series 2024 A2 | — | Municipal Bonds | 0.30% | $1.30M |
| District of Columbia Housing Finance Agency, Series 2025A | — | Municipal Bonds | 0.30% | $1.29M |
| Build NYC Resource Corp., Series 2025A | — | Municipal Bonds | 0.30% | $1.29M |
| New Hampshire Business Finance Authority | — | Municipal Bonds | 0.29% | $1.28M |
| Fort Collins Housing Authority, Series 2026 A | — | Municipal Bonds | 0.29% | $1.28M |
| Metropolitan Nashville Airport Authority (The) | — | Municipal Bonds | 0.29% | $1.27M |
| California Community Choice Financing Authority | — | Municipal Bonds | 0.29% | $1.27M |
| Chandler Industrial Development Authority | — | Municipal Bonds | 0.29% | $1.27M |
| Indianapolis Local Public Improvement Bond Bank, Series 2025 B-2 | — | Municipal Bonds | 0.29% | $1.24M |
| Massachusetts Development Finance Agency, Series 2025 | — | Municipal Bonds | 0.29% | $1.24M |
| California Housing Finance Agency | — | Municipal Bonds | 0.28% | $1.24M |
| New York State Energy Research & Development Authority, Series 2004B | — | Municipal Bonds | 0.28% | $1.23M |
| Iowa Student Loan Liquidity Corp., Series 2023 B | — | Municipal Bonds | 0.28% | $1.23M |
| Public Finance Authority | — | Municipal Bonds | 0.27% | $1.19M |
| County of Spokane, Series 2024 B | — | Municipal Bonds | 0.27% | $1.19M |
| Dallas Metrocare Services, Series 2025 | — | Municipal Bonds | 0.27% | $1.18M |
| New Hampshire Business Finance Authority | — | Municipal Bonds | 0.27% | $1.17M |
| Public Finance Authority, Series 2024 A | — | Municipal Bonds | 0.27% | $1.17M |
| Columbus-Franklin County Finance Authority, Series 2025 A | — | Municipal Bonds | 0.26% | $1.14M |
| Pennsylvania Economic Development Financing Authority, Series 2025A | — | Municipal Bonds | 0.26% | $1.14M |
| Public Finance Authority | — | Municipal Bonds | 0.26% | $1.13M |
| Albany Hospital Facility Authority, Series 2026A | — | Municipal Bonds | 0.26% | $1.13M |
| Massachusetts Development Finance Agency, Series 2026A | — | Municipal Bonds | 0.26% | $1.13M |
| Texas Public Finance Authority, Series 2023 | — | Municipal Bonds | 0.26% | $1.12M |
| Alabama Special Care Facilities Financing Authority-Birmingham, Series 2025A | — | Municipal Bonds | 0.26% | $1.11M |
| County of Pasco | — | Municipal Bonds | 0.26% | $1.11M |
| State of Maryland Department of Transportation, Series 2024 A | — | Municipal Bonds | 0.26% | $1.11M |
| Gunnison County Housing Authority, Series 2025 | — | Municipal Bonds | 0.25% | $1.11M |
| City of Salt Lake City, Series 2023A | — | Municipal Bonds | 0.25% | $1.11M |
| Omaha Airport Authority, Series 2024 | — | Municipal Bonds | 0.25% | $1.10M |
| Illinois Finance Authority | — | Municipal Bonds | 0.25% | $1.10M |
| Rhode Island Student Loan Authority, Series 2024 A | — | Municipal Bonds | 0.25% | $1.10M |
| North Texas Municipal Water District Water System, Series 2025 | — | Municipal Bonds | 0.25% | $1.10M |
| City of Houston, Series 2023A | — | Municipal Bonds | 0.25% | $1.10M |
| Colorado Health Facilities Authority | — | Municipal Bonds | 0.25% | $1.10M |
| Maryland Health & Higher Educational Facilities Authority, Series 2026A | — | Municipal Bonds | 0.25% | $1.10M |
| Chicago Midway International Airport, Series 2023A | — | Municipal Bonds | 0.25% | $1.10M |
| Infirmary Health System Special Care Facilities Financing Authority of Mobile | — | Municipal Bonds | 0.25% | $1.09M |
| New Jersey Higher Education Student Assistance Authority, Series 2024 B | — | Municipal Bonds | 0.25% | $1.09M |
| Pennsylvania Economic Development Financing Authority Parking System, Series 2024 C | — | Municipal Bonds | 0.25% | $1.09M |
| City of Bondurant, Series 2025B | — | Municipal Bonds | 0.25% | $1.09M |
| Indiana Finance Authority, Series 2025D-5 | — | Municipal Bonds | 0.25% | $1.09M |
| Rhode Island Student Loan Authority, Series 2025A | — | Municipal Bonds | 0.25% | $1.09M |
| City of Shreveport, Series 2024 | — | Municipal Bonds | 0.25% | $1.09M |
| San Francisco City & County Airport Comm-San Francisco International Airport, Series 2024 A | — | Municipal Bonds | 0.25% | $1.09M |
| Wisconsin Health & Educational Facilities Authority, Series 2024 B | — | Municipal Bonds | 0.25% | $1.08M |
| Cook County Community College District No. 508, Series 2024 | — | Municipal Bonds | 0.25% | $1.08M |
| Pennsylvania Economic Development Financing Authority | — | Municipal Bonds | 0.25% | $1.08M |
MIUIX Sector Allocation
MFS Municipal Intermediate Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Municipal Bonds | 96.2% | 690 |
| Funds & ETFs | 3.4% | 1 |
| Mortgage / Securitized | 0.2% | 2 |
| Corporate Bonds | 0.1% | 2 |
| Unknown | 0.1% | 1 |
MIUIX Country Allocation
Where MFS Municipal Intermediate Fund's holdings are domiciled, by percentage of net assets (largest 3).
| Country | % of net assets |
|---|---|
| United States | 98.9% |
| Guam | 0.2% |
| Puerto Rico | 0.2% |
MIUIX Portfolio Allocation
Asset-class allocation of MFS Municipal Intermediate Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 95.7% |
| Cash & Equivalents | 3.4% |
| Securitized | 0.2% |
MIUIX Debt Constituents
Largest debt holdings of MFS Municipal Intermediate Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Central Texas Regional Mobility Authority | 0.52% |
| Black Belt Energy Gas District | 0.48% |
| Black Belt Energy Gas District | 0.47% |
| Public Finance Authority | 0.46% |
| Black Belt Energy Gas District | 0.45% |
| Massachusetts Development Finance Agency | 0.45% |
| Massachusetts Development Finance Agency | 0.42% |
| Vermont Student Assistance Corp. | 0.42% |
| California Community Choice Financing Authority | 0.41% |
| Park Creek Metropolitan District | 0.41% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.